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CaseSingularPlural
Nominativeименительный · кто? что?рейс рейсы the subject: who or what acts
Accusativeвинительный · кого? что?рейс рейсы the direct object of the verb
Genitiveродительный · кого? чего?рейса рейсов possession, absence, "of"-phrases
Dativeдательный · кому? чему?рейсу рейсам the receiver: to or for someone
Instrumentalтворительный · кем? чем?рейсом рейсами the tool or companion: with, by
Prepositionalпредложный · о ком? о чём?рейсе рейсах location and topics: in, at, about

Рейс is a masculine noun; the ending pattern above repeats across most masculine nouns, so every table you learn makes the next one cheaper.

Look up any other word in the Russian declension tool, see where Рейс ranks in the most common Russian words, or start from Russian cases explained if the table above is new territory. More vocabulary lives in Russian words by topic and Russian phrases.

12 forms is a table. Using them is a skill.

Slova drills Рейс and every word like it with typed case endings, checked letter by letter.

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